>2w4lB (B:) observed residues (from ATOM records)
dylewpeyfmavaflsaqrskdpnsqvgacivnsenkivgigyngmpngcsddvlpwrrt
aenkldtkypyvchaelnaimnkdvkgcsmyvalfpcnecakliiqagikevifmsdkyh
dsdeataarllfnmagvtfrkfipkcskividfdsin